6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-08-21 18:29:46 +00:00
Code Issues Projects Releases Wiki Activity

NULL, unique pointers from malloc(0), and freed pointers are legal values for

Browse Source 
noalias attribute parameters/return values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59955 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Torok Edwin 2008-11-24 08:02:24 +00:00
parent 027fdbe3ba
commit 9682607ad6
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
docs/LangRef.html
View File

@ -894,7 +894,9 @@ declare signext i8 @returns_signed_char()
parameter. The caller is responsible for ensuring that this is the
case. On a function return value, <tt>noalias</tt> additionally indicates
that the pointer does not alias any other pointers visible to the
caller.</dd>
caller. Note that this applies only to pointers that can be used to actually
load/store a value: NULL, unique pointers from malloc(0), and freed pointers
are considered to not alias anything.</dd>
<dt><tt>nest</tt></dt>
<dd>This indicates that the pointer parameter can be excised using the